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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">urovest</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник урологии</journal-title><trans-title-group xml:lang="en"><trans-title>Urology Herald</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2308-6424</issn><publisher><publisher-name>Rostov State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21886/2308-6424-2017-5-4-22-28</article-id><article-id custom-type="elpub" pub-id-type="custom">urovest-175</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>«УРАТ-ИНДЕКС» – НОВОЕ СЛОВО В ОПРЕДЕЛЕНИИ УРАТНОГО СОСТАВА КАМНЯ</article-title><trans-title-group xml:lang="en"><trans-title>«URAT-INDEX» – NON-INVASIVE TOOL FOR PREDICTION OF URIC ACID CONTAINING STONES</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6255-0193</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гаджиев</surname><given-names>Н. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Gadzhiev</surname><given-names>N. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, руководитель отделения дистанционной литотрипсии и эндовидеохирургии НИЦ урологии,</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Candidate of Medical Sciences, Head of the Department of SWL and Endovideosurgery. Research Center of Urology,</p><p>Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9419-9580</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Изиев</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Iziev</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры урологии,</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>postgraduate student of the Department of Urology,</p><p>Saint-Petersburg</p></bio><email xlink:type="simple">izievm@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7592-8167</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горелов</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorelov</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач уролог отделения дистанционной литотрип- сии и эндовидеохирургии НИЦ Урологии,</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>a urologist of the Department of SWL and Endovideosurgery of the Research Center of Urology,</p><p>Saint-Petersburg</p></bio><email xlink:type="simple">dsgorelov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1583-6121</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Акопян</surname><given-names>Г. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Akopyan</surname><given-names>G. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, доцент кафедры урологии,</p><p>Москва</p></bio><bio xml:lang="en"><p>MD, associate professor of the Department of Urology,</p><p>Moscow</p></bio><email xlink:type="simple">docgagik@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7609-6024</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Арсеньев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Arsenyev</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, доцент кафедры го- спитальной хирургии с курсом урологии,</p><p>Тверь</p></bio><bio xml:lang="en"><p>Candidate of Medical Sciences, Associate Professor of Hospital Surgery with a course of urology,</p><p>Tver</p></bio><email xlink:type="simple">s.tver@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8407-0601</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рубин</surname><given-names>П. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rubin</surname><given-names>P. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, ассистент кафедры госпитальной хирургии с курсом урологии,</p><p>Тверь</p></bio><bio xml:lang="en"><p>Candidate of Medical Sciences, Assistant of the Department of Hospital Surgery with a course of urology,</p><p>Tver</p></bio><email xlink:type="simple">rubinmed@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8841-6286</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Числов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Chislov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>клинический ординатор кафедры госпитальной хирургии с курсом урологии,</p><p>Тверь</p></bio><bio xml:lang="en"><p>clinical resident of the Department of Hospital Surgery with a course of urology,</p><p>Tver</p></bio><email xlink:type="simple">chislovas7766@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3460-3427</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петров</surname><given-names>С. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrov</surname><given-names>S. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор, заведующий отделением урологии,</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Doctor of Medical Sciences, Professor, Head of the Department of Urology,</p><p>Saint-Petersburg</p></bio><email xlink:type="simple">petrov-uro@yandex.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова» МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Academician I.P. Pavlov First St. Petersburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАОУ ВО «Первый Московский государственный медицинский университет&#13;
им. И.М. Сеченова» МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The First Moscow State Medical University. I. M. Sechenov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБОУ ВО «Тверской государственный медицинский университет» МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tver State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ФГБУ «Всероссийский центр экстренной и радиационной медицины им. А. М. Никифорова» МЧС России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The Nikiforov Russian Center of Emergency and Radiation Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2017</year></pub-date><volume>5</volume><issue>4</issue><fpage>22</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гаджиев Н.К., Изиев М.М., Горелов Д.С., Акопян Г.Н., Арсеньев А.А., Рубин П.М., Числов А.С., Петров С.Б., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Гаджиев Н.К., Изиев М.М., Горелов Д.С., Акопян Г.Н., Арсеньев А.А., Рубин П.М., Числов А.С., Петров С.Б.</copyright-holder><copyright-holder xml:lang="en">Gadzhiev N.K., Iziev M.M., Gorelov D.S., Akopyan G.S., Arsenyev A.N., Rubin P.M., Chislov A.S., Petrov S.B.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.urovest.ru/jour/article/view/175">https://www.urovest.ru/jour/article/view/175</self-uri><abstract><sec><title>Введение</title><p>Введение. Сегодня растворение уратных камней, согласно клиническим рекомендациям, является основным методом их лечения. Помимо достаточно дорогой двухэнергетической компьютерной томографии (КТ), других методов неинвазивного определения состава камня не существует.</p></sec><sec><title>Цель исследования</title><p>Цель исследования. Создать инструмент прогнозирования уратного нефролитиаза, тем самым улучшить отбор пациентов, подходящих для литолитической терапии.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Ретроспективно проанализированы результаты обследования 189 пациентов с мочекаменной болезнью. Первую группу составили 59 пациентов с уратными камнями, вторую – 130 пациентов с камнями иного состава. Сравнивали следующие параметры: клинические характеристики, результаты 24-часового анализа мочи, данные КТ.</p></sec><sec><title>Результаты</title><p>Результаты. Из изученных параметров наивысшую статистическую значимость в определении состава камня имели: масса тела, индекс массы тела, рН мочи и плотность камня полученная по данным КТ (p&lt;0.01). Произведение рН мочи и плотности камня, названное «Урат-индексом», имело небольшую площадь под кривой (AUC 0.96), что позволило с более высокой точностью диагностировать уратный нефролитиаз.</p></sec><sec><title>Заключение</title><p>Заключение. Предложенный показатель «Урат-Индекс» прост в получении, является эффективным инструментом прогнозирования уратного состава камня и способствует лучшему отбору пациентов для литолитической терапии.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Nowadays dissolution of uric acid kidney stones is the first line treatment according to existing clinical guidelines. Besides dual-energy CT, which is costly, there is no non-invasive tool to predict uric acid stone composition.</p></sec><sec><title>Aim</title><p>Aim. To develop a new tool for uric acid stones prediction which will improve patient selection for oral stone dissolution therapy.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. We retrospectively analyzed treatment results of 189 patients which were distributed to two groups: with pure uric acid stones - 59 patients and with other composition - 130 patients. Demographic data, results of 24 hour urine analysis and CT scans were analyzed.</p></sec><sec><title>Results</title><p>Results. Among above mentioned parameters the following had the highest significance: body mass, body mass index, urine pH and stone density in Hounsfield Units (p&lt;0.01). Product of multiplication of urine pH and CT-stone density called «Urate index» yielded highest AUC (0.96) which permitted with high accuracy diagnose uric acid stones.</p></sec><sec><title>Conclusion</title><p>Conclusion. «Urate-index» is simple to obtain and has high predictive value which might help choosing target population for kidney stone dissolution.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>мочекаменная болезнь</kwd><kwd>уратный нефролитиаз</kwd><kwd>мочекислый нефролитиаз</kwd><kwd>урат-индекс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hurolithiasis</kwd><kwd>urate nephrolithiasis</kwd><kwd>uric acid nephrolithiasis</kwd><kwd>urate-index</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Knoll T. Epidemiology, Pathogenesis, and Pathophysiology of Urolithiasis. Eur Urol Suppl. 2010;9:802-806.</mixed-citation><mixed-citation xml:lang="en">Knoll T. 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